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This is a genuine OEM Yamaha coolant expansion reservoir tank, made from durable translucent HDPE for easy fluid-level checks using the molded Full and Low markings. It collects expanding coolant as the engine heats and returns it to the radiator as the system cools. The tank features dual integrated mounting tabs and an angled filler neck for correct factory positioning. Full Compatibility List Yamaha Part Number: 2RH-21871-00 * Yamaha TZR125 Standard — 1987–1992 * Yamaha TZR125 Full Fairing — 1987–1992 Compatible Frame / Engine Codes * 2RK — UK / Europe * 2RJ — France / selected Europe * 2RH — Japan * 3PC — Late-series versions Note: Fits first-generation steel-frame TZR125 models. Does not fit later 4DL Belgarda aluminum-frame versions.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used surface cleaner
Worldwide shipping available
Express shipping available at checkout
Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
Contact support for return authorization
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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